[nix] Start managing the git config

nix/flake.nix

@@ -14,7 +14,10 @@
   outputs = { self, nixpkgs, home-manager, darwin }: {
     darwinConfigurations."alymac" = darwin.lib.darwinSystem {
       system = "x86_64-darwin";
-      modules = [ ./hosts/alymac/default.nix ];
+      modules = [
+        home-manager.darwinModules.home-manager
+        ./hosts/alymac/default.nix
+      ];
     };
   };
 }

nix/hosts/alymac/default.nix

@@ -17,6 +17,33 @@
   # enable the gpg agent by default
   programs.gnupg.agent.enable = true;
 
+  home-manager = {
+    useGlobalPkgs = true;
+    useUserPackages = true;
+    users.alyxia = { pkgs, ... }: {
+      programs.git = {
+        enable = true;
+        package = pkgs.gitAndTools.gitFull; # contains git send-email et al
+
+        userName = "Alyxia Sother";
+        userEmail = "alyxia@riseup.net";
+
+        signing = {
+          key = "01E16C4E775A37E4";
+          signByDefault = true;
+        };
+
+        delta.enable = true;
+      };
+
+      programs.gitui.enable = true;
+
+      # DO NOT CHANGE UNLESS YOU ARE ABSOLUTELY SURE ALL STATE AFFECTED BY THIS
+      # OPTION IS APPROPRIATELY MIGRATED!!!
+      home.stateVersion = "23.05"; # did you read the comment?
+    };
+  };
+
   homebrew = {
     enable = true;
     onActivation = {